{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1537322529",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x77ce7da8f945cec82d57e1c498158ddb60c9aac4ef32cab3fdc56dd7a268a8e8",
    "signature": "0x49dd45a4441bcd4a0a9bc0d20319dd6c97cb40e57a857099205afe34152a645d2abd85f6df71e87842389cecac5faf4fdbfa0eb50c01f2a0454879d6ebc344111c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}